Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method of receiving information, comprising: receiving a first signal pulse; determining a first frequency band associated with the first signal pulse; determining a first pulse duration of the first signal pulse; in accordance with a determination that the first frequency band is a first respective frequency band in a first predefined set of frequency bands: determining, from a first predefined set of symbols, a first symbol associated with the first frequency band and represented by the first signal pulse; and after determining the first symbol associated with the first frequency band and represented by the first signal pulse, providing the first symbol; and in accordance with a determination that the first pulse duration is a first respective pulse duration in a first predefined set of pulse durations: determining, from a second predefined set of symbols that is distinct from the first predefined set of symbols, a second symbol associated with the first pulse duration and represented by the first signal pulse; and after determining the second symbol associated with the first pulse duration and represented by the first signal pulse, providing the second symbol; wherein: each frequency band in the first predefined set of frequency bands is associated with a distinct respective symbol in the first predefined set of symbols; and each pulse duration in the first predefined set of pulse durations is associated with a distinct respective symbol in the second predefined set of symbols.
This invention relates to a method for receiving and decoding information from signal pulses, particularly in systems where data is encoded using both frequency and pulse duration. The method addresses the challenge of efficiently extracting multiple layers of encoded information from a single signal pulse by leveraging predefined mappings between frequency bands, pulse durations, and distinct symbol sets. The method begins by receiving a signal pulse and analyzing its frequency band and duration. The frequency band is compared against a predefined set of frequency bands, each associated with a unique symbol in a first symbol set. If the frequency band matches one of these predefined bands, the corresponding symbol is identified and provided. Simultaneously, the pulse duration is compared against a predefined set of pulse durations, each linked to a unique symbol in a second, distinct symbol set. If the duration matches a predefined value, the corresponding symbol is identified and provided. The two symbol sets are mutually exclusive, ensuring no overlap in meaning between frequency-encoded and duration-encoded symbols. This dual-encoding approach allows a single pulse to convey multiple pieces of information, improving data transmission efficiency in systems where bandwidth or signal clarity is limited. The method ensures reliable decoding by maintaining strict one-to-one mappings between frequency bands, pulse durations, and their respective symbols.
2. The method of claim 1 , wherein each symbol in the first predefined set of symbols is associated with only one respective frequency band in the first predefined set of frequency bands, and each symbol in the second predefined set of symbols is associated with only one respective pulse duration in the first predefined set of pulse durations.
This invention relates to a communication system that uses symbol-based signaling with frequency bands and pulse durations. The system addresses the challenge of efficiently encoding and transmitting data by associating each symbol in a first set with a unique frequency band and each symbol in a second set with a unique pulse duration. This ensures that each symbol is distinctly represented, preventing ambiguity in decoding. The first set of symbols is mapped to a predefined set of frequency bands, where each symbol corresponds to only one frequency band, enabling frequency-based modulation. Similarly, the second set of symbols is mapped to a predefined set of pulse durations, where each symbol corresponds to only one pulse duration, enabling time-based modulation. The system may use these mappings independently or in combination to encode data, improving transmission efficiency and reliability. The method ensures that no symbol shares the same frequency band or pulse duration, reducing interference and improving signal clarity. This approach is particularly useful in environments where multiple signals may overlap, as it provides a structured way to distinguish between different symbols based on their unique frequency or time characteristics. The invention enhances data transmission by leveraging both frequency and time domains for symbol encoding.
3. The method of claim 1 , including: after at least a predefined amount of time since receiving the first signal pulse, receiving a second signal pulse; determining a second frequency band associated with the second signal pulse, wherein the second frequency band is the same as the first frequency band; determining a second pulse duration of the second signal pulse, wherein the second pulse duration is distinct from the first pulse duration; and in accordance with a determination that the second frequency band is the first respective frequency band in the first predefined set of frequency bands: providing the first symbol; and in accordance with a determination that the second pulse duration is a second respective pulse duration in the first predefined set of pulse durations: determining, from the second predefined set of symbols, a third symbol associated with the second pulse duration and represented by the second signal pulse, wherein the third symbol is distinct from the second symbol; and providing the third symbol.
This invention relates to a communication system that encodes and decodes symbols using signal pulses with distinct frequency bands and pulse durations. The system addresses the challenge of efficiently transmitting and interpreting data in environments where multiple symbols must be distinguished using limited bandwidth and timing constraints. The method involves receiving a first signal pulse with a first frequency band and a first pulse duration, then determining a first symbol from a predefined set of symbols based on the first frequency band and pulse duration. After a predefined time interval, a second signal pulse is received, which shares the same frequency band as the first pulse but has a distinct pulse duration. The system checks whether the second pulse's frequency band matches the first predefined set of frequency bands. If so, it provides the first symbol. Additionally, if the second pulse's duration matches a predefined set of pulse durations, the system determines a third symbol from a second predefined set of symbols, where the third symbol differs from the first symbol. The third symbol is then provided. This approach enables efficient symbol encoding and decoding by leveraging both frequency and time-domain characteristics of signal pulses, allowing for flexible and robust data transmission in communication systems.
4. The method of claim 1 , including: after at least a predefined amount of time since receiving the first signal pulse, receiving a third signal pulse; determining a third frequency band associated with the third signal pulse, wherein the third frequency band is distinct from the first frequency band; determining a third pulse duration of the third signal pulse, wherein the third pulse duration is the same as the first pulse duration; and in accordance with a determination that the third frequency band is a second respective frequency band in the first predefined set of frequency bands: determining, from the first predefined set of symbols, a fourth symbol associated with the third frequency band and represented by the third signal pulse, wherein the fourth symbol is distinct from the first symbol; and providing the fourth symbol; and in accordance with a determination that the third pulse duration is the first respective pulse duration in the first predefined set of pulse durations: providing the second symbol.
This invention relates to a method for decoding signal pulses in a communication system, particularly for distinguishing between symbols based on frequency bands and pulse durations. The method addresses the challenge of accurately interpreting multiple signal pulses that may carry different symbols or commands, even when received over time. The method involves receiving a first signal pulse with a first frequency band and a first pulse duration, then determining a first symbol associated with the first frequency band from a predefined set of symbols. The first pulse duration is compared to a predefined set of pulse durations to determine if it matches a specific duration, which may trigger the provision of a second symbol. After a predefined time, a third signal pulse is received with a distinct third frequency band but the same pulse duration as the first. The third frequency band is checked against the predefined set to determine if it corresponds to a second symbol, which if confirmed, is provided. The method ensures that symbols are correctly identified based on both frequency and duration, enabling reliable communication in systems where pulses may carry multiple meanings. The technique is useful in applications requiring robust signal interpretation, such as wireless communication, sensor networks, or industrial control systems.
5. The method of claim 1 , wherein the frequency bands in the first predefined set of frequency bands, in aggregate, are not contiguous.
This invention relates to wireless communication systems, specifically methods for managing frequency band allocation to improve signal transmission efficiency. The problem addressed is the inefficient use of frequency bands in wireless networks, which can lead to interference, reduced data rates, and poor signal quality. The invention provides a method for selecting and allocating frequency bands in a non-contiguous manner to optimize communication performance. The method involves defining a first set of frequency bands that are not contiguous in aggregate, meaning the bands do not form a single continuous block of spectrum. This non-contiguous allocation allows for more flexible and efficient use of available spectrum, reducing interference and improving data transmission rates. The method may also include selecting a second set of frequency bands that are contiguous, depending on the specific communication requirements. The non-contiguous allocation can be dynamically adjusted based on network conditions, such as signal strength, interference levels, and user demand, to ensure optimal performance. By using non-contiguous frequency bands, the invention enables better spectrum utilization, reduces collisions between signals, and enhances overall network efficiency. This approach is particularly useful in dense wireless environments where spectrum resources are limited and interference is a significant challenge. The method can be applied in various wireless communication standards, including 5G, Wi-Fi, and other emerging technologies.
6. The method of claim 1 , wherein: the first predefined set of frequency bands and the first predefined set of pulse durations are associated with the first predefined set of symbols and the second predefined set of symbols using one or more lookup tables; determining the first symbol associated with the first frequency band includes: selecting the respective symbol in the first predefined set of symbols that is associated with the first frequency band in the one or more lookup tables; and determining the second symbol associated with the first pulse duration includes: selecting the respective symbol in the second predefined set of symbols that is associated with the first pulse duration in the one or more lookup tables.
This invention relates to a communication system that uses frequency bands and pulse durations to encode and decode symbols. The system addresses the challenge of efficiently mapping symbols to specific frequency bands and pulse durations in a structured manner, ensuring reliable data transmission and reception. The method involves associating predefined sets of symbols with corresponding frequency bands and pulse durations through one or more lookup tables. These tables store mappings that link each frequency band to a symbol from a first predefined set and each pulse duration to a symbol from a second predefined set. When encoding data, the system selects a frequency band from a predefined set and retrieves the corresponding symbol from the first predefined set using the lookup table. Similarly, it selects a pulse duration from a predefined set and retrieves the corresponding symbol from the second predefined set via the lookup table. This approach ensures that symbols are consistently and accurately mapped to their respective frequency bands and pulse durations, facilitating efficient and error-resistant communication. The use of lookup tables simplifies the encoding and decoding processes, reducing computational overhead while maintaining data integrity.
7. The method of claim 1 , including, after receiving the first signal pulse: receiving a control signal associating a second predefined set of frequency bands with the first predefined set of symbols, wherein: the second predefined set of frequency bands is distinct from the first predefined set of frequency bands; and each frequency band in the second predefined set of frequency bands is associated with a distinct respective symbol in the first predefined set of symbols; after receiving the control signal, receiving a fourth signal pulse; determining a fourth frequency band associated with the fourth signal pulse; determining a fourth pulse duration of the fourth signal pulse; in accordance with a determination that the fourth frequency band is a respective frequency band in the second predefined set of frequency bands: determining, from the first predefined set of symbols, a respective symbol associated with the fourth frequency band and represented by the fourth signal pulse; and providing the respective symbol from the first predefined set of symbols; and in accordance with a determination that the fourth pulse duration is a respective pulse duration in the first predefined set of pulse durations: determining, from the second predefined set of symbols, a respective symbol associated with the fourth pulse duration and represented by the fourth signal pulse; and providing the respective symbol from the second predefined set of symbols.
This invention relates to a method for encoding and decoding symbols using signal pulses, particularly in communication systems where symbols are conveyed through frequency bands and pulse durations. The method addresses the challenge of efficiently transmitting and interpreting multiple symbols using a limited set of frequency bands and pulse durations by dynamically associating different sets of frequency bands with predefined symbols. The method involves receiving a first signal pulse, where the frequency band and pulse duration of the pulse correspond to a symbol from a predefined set of symbols. After receiving the first signal pulse, a control signal is received, which associates a second predefined set of frequency bands with the first predefined set of symbols. The second set of frequency bands is distinct from the first, and each frequency band in the second set is linked to a distinct symbol in the first set. Upon receiving a fourth signal pulse, the method determines its frequency band and pulse duration. If the frequency band matches one in the second predefined set, the corresponding symbol from the first predefined set is identified and provided. If the pulse duration matches one in a predefined set of pulse durations, the corresponding symbol from a second predefined set of symbols is identified and provided. This approach allows for flexible and efficient symbol encoding and decoding by dynamically reassigning frequency bands to symbols based on control signals.
8. A system for information transfer, comprising: a receiver, configured to receive a first signal pulse; frequency determination circuitry, configured to determine a first frequency band associated with the first signal pulse; pulse duration determination circuitry, configured to determine a first pulse duration of the first signal pulse; and processing circuitry, configured to: in accordance with a determination that the first frequency band is a first respective frequency band in a first predefined set of frequency bands: determine, from a first predefined set of symbols, a first symbol associated with the first frequency band and represented by the first signal pulse; and after determining the first symbol associated with the first frequency band and represented by the first signal pulse, provide the first symbol; and in accordance with a determination that the first pulse duration is a first respective pulse duration in a first predefined set of pulse durations: determine, from a second predefined set of symbols that is distinct from the first predefined set of symbols, a second symbol associated with the first pulse duration and represented by the first signal pulse; and after determining the second symbol associated with the first pulse duration and represented by the first signal pulse, provide the second symbol; wherein: each frequency band in the first predefined set of frequency bands is associated with a distinct respective symbol in the first predefined set of symbols; and each pulse duration in the first predefined set of pulse durations is associated with a distinct respective symbol in the second predefined set of symbols.
This invention relates to a system for information transfer using signal pulses, addressing the challenge of efficiently encoding and decoding data through frequency and pulse duration modulation. The system includes a receiver that captures a first signal pulse, followed by frequency determination circuitry that identifies the pulse's frequency band from a predefined set. Pulse duration determination circuitry measures the pulse's duration, which is also compared against a predefined set of durations. Processing circuitry interprets the pulse based on either its frequency band or duration. If the frequency band matches one in the predefined set, the system selects a corresponding symbol from a first predefined symbol set and outputs it. If the pulse duration matches one in the predefined set, the system selects a symbol from a distinct second symbol set and outputs it. Each frequency band and pulse duration in their respective sets is uniquely mapped to a symbol, ensuring unambiguous data representation. This dual-modulation approach enhances data transfer efficiency by leveraging both frequency and temporal characteristics of signal pulses.
9. The system of claim 8 , wherein: the receiver is configured to, after at least a predefined amount of time since receiving the first signal pulse, receive a second signal pulse; the frequency determination circuitry is configured to determine a second frequency band associated with the second signal pulse, wherein the second frequency band is the same as the first frequency band; the pulse duration determination circuitry is configured to determine a second pulse duration of the second signal pulse, wherein the second pulse duration is distinct from the first pulse duration; and the processing circuitry is configured to: in accordance with a determination that the second frequency band is the first respective frequency band in the first predefined set of frequency bands: provide the first symbol; and in accordance with a determination that the second pulse duration is a second respective pulse duration in the first predefined set of pulse durations: determine, from the second predefined set of symbols, a third symbol associated with the second pulse duration and represented by the second signal pulse, wherein the third symbol is distinct from the second symbol; and provide the third symbol.
This invention relates to a communication system that encodes and decodes symbols using signal pulses with varying frequency bands and pulse durations. The system addresses the challenge of efficiently transmitting data by leveraging distinct combinations of frequency bands and pulse durations to represent different symbols. The system includes a receiver that captures signal pulses, frequency determination circuitry to identify the frequency band of each pulse, and pulse duration determination circuitry to measure the pulse duration. Processing circuitry interprets the pulses based on predefined sets of frequency bands and pulse durations. When a second signal pulse is received after a predefined time interval, the system checks if its frequency band matches the first pulse's frequency band. If so, it provides the first symbol. If the second pulse's duration matches a predefined duration in the first set, the system selects a third symbol from a second predefined set of symbols, distinct from the second symbol, and provides it. This approach enables flexible and efficient symbol encoding and decoding in communication systems.
10. The system of claim 8 , wherein: the receiver is configured to, after at least a predefined amount of time since receiving the first signal pulse, receive a third signal pulse; the frequency determination circuitry is configured to determine a third frequency band associated with the third signal pulse, wherein the third frequency band is distinct from the first frequency band; the pulse duration determination circuitry is configured to determine a third pulse duration of the third signal pulse, wherein the third pulse duration is the same as the first pulse duration; and the processing circuitry is configured to: in accordance with a determination that the third frequency band is a second respective frequency band in the first predefined set of frequency bands: determine, from the first predefined set of symbols, a fourth symbol associated with the third frequency band and represented by the third signal pulse, wherein the fourth symbol is distinct from the first symbol; and provide the fourth symbol; and in accordance with a determination that the third pulse duration is the first respective pulse duration in the first predefined set of pulse durations: provide the second symbol.
This invention relates to a signal processing system for decoding modulated signals, particularly those using frequency and pulse duration to encode data. The system addresses the challenge of accurately interpreting signals where information is conveyed through variations in frequency bands and pulse durations, ensuring reliable data extraction even when signals are received over time. The system includes a receiver that captures signal pulses, such as a third signal pulse received after a predefined delay. Frequency determination circuitry identifies the frequency band of the third signal pulse, which must differ from a previously detected first frequency band. Pulse duration determination circuitry measures the pulse duration, which remains consistent with a first pulse duration from an earlier signal. Processing circuitry then decodes the signal based on predefined sets of frequency bands and pulse durations. If the third signal pulse's frequency band matches a second predefined frequency band, the system decodes it as a distinct fourth symbol from a predefined set. If the pulse duration matches a first predefined duration, the system provides a second symbol. This ensures accurate data interpretation by distinguishing between frequency-based and duration-based encoding. The system is designed for applications requiring robust signal decoding, such as wireless communication or sensor networks.
11. The system of claim 8 , wherein the frequency bands in the first predefined set of frequency bands, in aggregate, are not contiguous.
A system for managing wireless communication involves selecting frequency bands from a predefined set to optimize signal transmission. The system addresses challenges in wireless communication where contiguous frequency bands may be unavailable or inefficient due to interference, regulatory restrictions, or spectrum fragmentation. The system dynamically selects non-contiguous frequency bands from the predefined set to establish communication links, ensuring reliable data transmission even when adjacent bands are occupied or unsuitable. The selection process may involve analyzing signal quality, interference levels, or regulatory constraints to determine the optimal combination of non-contiguous bands. By aggregating non-contiguous bands, the system improves spectrum utilization and reduces the risk of communication disruptions. The system may also include mechanisms to monitor performance and adjust band selection in real-time to adapt to changing conditions. This approach is particularly useful in dense wireless environments where spectrum availability is limited or fragmented.
12. A method of transmitting information, comprising: obtaining a first symbol, in a first predefined set of symbols, for transmission; obtaining a second symbol, in a second predefined set of symbols, for transmission; determining a first frequency band, in a first predefined set of frequency bands, associated with the first symbol; determining a first pulse duration, in a first predefined set of pulse durations, associated with the second symbol; transmitting a first signal pulse having the first pulse duration and having a first frequency in the first frequency band, wherein the first signal pulse represents the first symbol and the second symbol; obtaining a third symbol, in the first predefined set of symbols, for transmission, wherein the third symbol is the same as the first symbol; obtaining a fourth symbol, in the second predefined set of symbols, for transmission, wherein the fourth symbol is distinct from the second symbol; determining a second frequency band, in the first predefined set of frequency bands, associated with the third symbol, wherein the second frequency band is the same as the first frequency band; determining a second pulse duration, in the first predefined set of pulse durations, associated with the fourth symbol, wherein the second pulse duration is distinct from the first pulse duration; and after at least a predefined amount of time since transmitting the first signal pulse, transmitting a second signal pulse having the second pulse duration and having a respective frequency in the first frequency band; wherein: each frequency band in the first predefined set of frequency bands is associated with a distinct respective symbol in the first predefined set of symbols; and each pulse duration in the first predefined set of pulse durations is associated with a distinct respective symbol in the second predefined set of symbols.
This invention relates to a method for transmitting information using a combination of frequency bands and pulse durations to encode symbols. The method addresses the challenge of efficiently conveying data by leveraging two distinct symbol sets: one mapped to frequency bands and another mapped to pulse durations. A first symbol from a predefined set is assigned to a specific frequency band, while a second symbol from another predefined set determines the pulse duration of a transmitted signal. The signal pulse, which combines the selected frequency and duration, represents both symbols simultaneously. For subsequent transmissions, if the same frequency band is reused, a different pulse duration is selected to encode a new symbol, ensuring distinctiveness. The predefined sets ensure that each frequency band corresponds to a unique symbol in the first set, and each pulse duration corresponds to a unique symbol in the second set. This approach enables compact data transmission by encoding multiple symbols in a single pulse, optimizing bandwidth and reducing transmission overhead. The method is particularly useful in communication systems where efficient symbol encoding is critical.
13. The method of claim 12 , wherein each symbol in the first predefined set of symbols is associated with only one respective frequency band in the first predefined set of frequency bands, and each symbol in the second predefined set of symbols is associated with only one respective pulse duration in the first predefined set of pulse durations.
This invention relates to a communication system that uses symbol-based signaling with frequency bands and pulse durations to transmit data. The system addresses the challenge of efficiently encoding and decoding information in environments where traditional modulation techniques may be inefficient or unreliable. The method involves defining two sets of symbols, each associated with distinct transmission parameters. The first set of symbols is mapped to a predefined set of frequency bands, where each symbol corresponds to only one specific frequency band. The second set of symbols is mapped to a predefined set of pulse durations, where each symbol corresponds to only one specific pulse duration. This ensures that each symbol in the first set is uniquely identified by its assigned frequency band, and each symbol in the second set is uniquely identified by its assigned pulse duration. The system may use these mappings to encode data by selecting symbols from either set based on the desired transmission characteristics, such as bandwidth efficiency or signal robustness. The method improves data transmission reliability and efficiency by leveraging distinct frequency and temporal parameters for symbol encoding. This approach is particularly useful in applications requiring low-latency or high-precision communication, such as industrial control systems or sensor networks.
14. The method of claim 12 , further comprising: obtaining a fifth symbol, in the first predefined set of symbols, for transmission, wherein the fifth symbol is distinct from the first symbol; obtaining a sixth symbol, in the second predefined set of symbols, for transmission, wherein the sixth symbol is the same as the second symbol; determining a third frequency band, in the first predefined set of frequency bands, associated with the fifth symbol, wherein the third frequency band is distinct from the first frequency band; determining a third pulse duration, in the first predefined set of pulse durations, associated with the sixth symbol, wherein the third pulse duration is the same as the first pulse duration; and after at least a predefined amount of time since transmitting the first signal pulse, transmitting a third signal pulse having the first pulse duration and having a respective frequency in the third frequency band.
This invention relates to a method for transmitting signal pulses in a communication system, addressing the challenge of efficiently encoding and transmitting data using distinct symbols and frequency bands. The method involves selecting symbols from predefined sets, where each symbol corresponds to a specific frequency band or pulse duration. A first symbol from a first set is associated with a first frequency band, and a second symbol from a second set is linked to a first pulse duration. A first signal pulse is transmitted with a frequency in the first frequency band and the first pulse duration. Subsequently, a fifth symbol from the first set, distinct from the first symbol, is obtained for transmission, and a sixth symbol from the second set, identical to the second symbol, is also obtained. The fifth symbol is mapped to a third frequency band, distinct from the first frequency band, while the sixth symbol retains the first pulse duration. After a predefined delay, a third signal pulse is transmitted with the first pulse duration and a frequency in the third frequency band. This approach enables flexible and efficient data transmission by dynamically assigning frequency bands and pulse durations based on symbol selection, improving communication reliability and adaptability.
15. The method of claim 12 , wherein the frequency bands in the first predefined set of frequency bands, in aggregate, are not contiguous.
This invention relates to wireless communication systems, specifically methods for managing frequency band allocation to optimize signal transmission and reception. The problem addressed is the inefficient use of frequency bands in wireless networks, which can lead to interference, reduced data rates, and poor signal quality. The invention provides a solution by dynamically selecting and allocating frequency bands to improve communication performance. The method involves dividing available frequency bands into at least two predefined sets. The first set of frequency bands, when combined, are not contiguous, meaning they are spread across the spectrum rather than forming a continuous block. This non-contiguous arrangement helps avoid interference with other signals and allows for more flexible allocation. The second set of frequency bands may be contiguous or non-contiguous, depending on system requirements. The method further includes selecting a subset of frequency bands from the first set based on predefined criteria, such as signal strength, interference levels, or data rate requirements. These selected bands are then used for transmitting or receiving signals. By dynamically adjusting the selection of frequency bands, the system can adapt to changing conditions, such as varying interference levels or user demand, to maintain optimal performance. This approach improves spectral efficiency and reduces the likelihood of signal degradation due to interference.
16. The method of claim 12 , wherein: the first predefined set of frequency bands and the first predefined set of pulse durations are associated with the first predefined set of symbols and the second predefined set of symbols using one or more lookup tables; determining the first frequency band associated with the first symbol includes: selecting the respective frequency band in the first predefined set of frequency bands that is associated with the first symbol in the one or more lookup tables; and determining the first pulse duration associated with the second symbol includes: selecting the respective pulse duration in the first predefined set of pulse durations that is associated with the second symbol in the one or more lookup tables.
This invention relates to wireless communication systems, specifically methods for encoding and decoding symbols using predefined frequency bands and pulse durations. The problem addressed is the efficient and reliable transmission of data symbols in communication systems where symbols are mapped to specific frequency bands and pulse durations for modulation. The method involves encoding data by selecting a first symbol from a first predefined set of symbols and a second symbol from a second predefined set of symbols. The first symbol is associated with a first frequency band from a first predefined set of frequency bands, and the second symbol is associated with a first pulse duration from a first predefined set of pulse durations. These associations are stored in one or more lookup tables. To determine the first frequency band for the first symbol, the method selects the corresponding frequency band from the lookup table. Similarly, to determine the first pulse duration for the second symbol, the method selects the corresponding pulse duration from the lookup table. This approach ensures that symbols are accurately mapped to their respective frequency and time parameters, improving communication reliability and efficiency. The use of lookup tables simplifies the encoding and decoding process, reducing computational overhead while maintaining precision in symbol transmission.
17. The method of claim 12 , including, after transmitting the first signal pulse: transmitting a control signal associating a second predefined set of frequency bands with the first predefined set of symbols, wherein: the second predefined set of frequency bands is distinct from the first predefined set of frequency bands; and each frequency band in the second predefined set of frequency bands is associated with a distinct respective symbol in the first predefined set of symbols; after transmitting the control signal: obtaining a first respective symbol, from the first predefined set of symbols, for transmission; obtaining a second respective symbol, from the second predefined set of symbols, for transmission; determining a fourth frequency band, in the second predefined set of frequency bands, associated with the first respective symbol; determining a fourth pulse duration, in the first predefined set of pulse durations, associated with the second respective symbol; and after at least a predefined amount of time since transmitting the first signal pulse, transmitting a fourth signal pulse having the fourth pulse duration and having a respective frequency in the fourth frequency band.
This invention relates to wireless communication systems, specifically methods for transmitting signal pulses using distinct frequency bands and symbol associations. The problem addressed is the need for efficient and flexible signal transmission in environments where interference or bandwidth constraints require dynamic allocation of frequency resources. The method involves transmitting a first signal pulse and then sending a control signal that associates a second predefined set of frequency bands with a first predefined set of symbols. The second set of frequency bands is distinct from the first, and each frequency band in the second set is linked to a unique symbol in the first set. After transmitting the control signal, the system obtains a symbol from the first set and another from a second predefined set of symbols. It then determines a frequency band from the second set associated with the first symbol and a pulse duration from a predefined set associated with the second symbol. After a predefined delay, a new signal pulse is transmitted using the selected frequency band and pulse duration. This approach allows for adaptive modulation and encoding, improving communication reliability and efficiency in varying conditions. The method ensures that frequency resources are dynamically allocated based on symbol mappings, enabling robust signal transmission.
18. A system for information transfer, comprising: processing circuitry, configured to: obtain a first symbol, in a first predefined set of symbols, for transmission; obtain a second symbol, in a second predefined set of symbols, for transmission; determine a first frequency band, in a first predefined set of frequency bands, associated with the first symbol; determine a first pulse duration, in a first predefined set of pulse durations, associated with the second symbol; obtain a third symbol, in the first predefined set of symbols, for transmission, wherein the third symbol is the same as the first symbol; obtain a fourth symbol, in the second predefined set of symbols, for transmission, wherein the fourth symbol is distinct from the second symbol; determine a second frequency band, in the first predefined set of frequency bands, associated with the third symbol, wherein the second frequency band is the same as the first frequency band; and determine a second pulse duration, in the first predefined set of pulse durations, associated with the fourth symbol, wherein the second pulse duration is distinct from the first pulse duration; and a transmitter, configured to: transmit a first signal pulse having the first pulse duration and having a first frequency in the first frequency band, wherein the first signal pulse represents the first symbol and the second symbol; and after at least a predefined amount of time since transmitting the first signal pulse, transmit a second signal pulse having the second pulse duration and having a respective frequency in the first frequency band; wherein: each frequency band in the first predefined set of frequency bands is associated with a distinct respective symbol in the first predefined set of symbols; and each pulse duration in the first predefined set of pulse durations is associated with a distinct respective symbol in the second predefined set of symbols.
This system enables information transfer using a combination of frequency bands and pulse durations to encode distinct symbols. The system addresses the challenge of efficiently transmitting multiple data symbols by leveraging dual encoding mechanisms. Processing circuitry obtains symbols from two predefined sets: one for frequency bands and another for pulse durations. A first symbol from the frequency band set determines a specific frequency band, while a second symbol from the pulse duration set defines a pulse duration. The system then transmits a signal pulse with the selected frequency and duration, representing both symbols. Subsequently, the system obtains a third symbol (identical to the first) and a fourth symbol (distinct from the second), determining a second pulse duration while reusing the same frequency band. A second signal pulse is transmitted after a predefined delay, encoding the new pulse duration. Each frequency band is uniquely mapped to a symbol in the first set, and each pulse duration is uniquely mapped to a symbol in the second set. This dual-encoding approach enhances data transmission efficiency by combining frequency and temporal modulation.
19. The system of claim 18 , wherein: the processing circuitry is configured to: obtain a fifth symbol, in the first predefined set of symbols, for transmission, wherein the fifth symbol is distinct from the first symbol; obtain a sixth symbol, in the second predefined set of symbols, for transmission, wherein the sixth symbol is the same as the second symbol; determine a third frequency band, in the first predefined set of frequency bands, associated with the fifth symbol, wherein the third frequency band is distinct from the first frequency band; determine a third pulse duration, in the first predefined set of pulse durations, associated with the sixth symbol, wherein the third pulse duration is the same as the first pulse duration; and the transmitter is configured to: after at least a predefined amount of time since transmitting the first signal pulse, transmit a third signal pulse having the first pulse duration and having a respective frequency in the third frequency band.
This invention relates to a communication system that uses symbol-based signaling with predefined sets of symbols, frequency bands, and pulse durations. The system addresses the challenge of efficiently transmitting distinct symbols while maintaining consistency in certain transmission parameters. The system includes processing circuitry and a transmitter. The processing circuitry obtains a fifth symbol from a first predefined set of symbols for transmission, where this fifth symbol is distinct from a previously transmitted first symbol. It also obtains a sixth symbol from a second predefined set of symbols, where this sixth symbol matches a previously transmitted second symbol. The processing circuitry then determines a third frequency band from a first predefined set of frequency bands associated with the fifth symbol, ensuring this frequency band is distinct from a previously used first frequency band. Additionally, it determines a third pulse duration from a first predefined set of pulse durations associated with the sixth symbol, ensuring this pulse duration matches a previously used first pulse duration. The transmitter, after a predefined delay since transmitting a first signal pulse, transmits a third signal pulse with the first pulse duration and a frequency within the third frequency band. This approach allows for flexible symbol transmission while maintaining consistency in certain parameters, improving communication efficiency and reliability.
20. The system of claim 18 , wherein the frequency bands in the first predefined set of frequency bands, in aggregate, are not contiguous.
The invention relates to a wireless communication system designed to optimize frequency band allocation for data transmission. The system addresses the challenge of efficiently utilizing available frequency spectrum by dynamically assigning non-contiguous frequency bands to improve communication performance. The system includes a transmitter configured to transmit data using a first predefined set of frequency bands, where the bands in this set are not contiguous in aggregate. This means the bands may be spread across different parts of the spectrum rather than forming a single continuous block. The system also includes a receiver configured to receive the transmitted data from these non-contiguous bands. Additionally, the system may adjust the frequency bands based on environmental conditions or interference levels to maintain optimal communication quality. The transmitter and receiver may also synchronize their operations to ensure reliable data transmission and reception. This approach allows for flexible spectrum utilization, reducing interference and improving overall system efficiency.
Unknown
October 20, 2020
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.